Coke oven ironwork



Dec. 31, 1935. W|LPUTTE coxE ovEN IRoNwoRK Filed June 25, 1934 2 Sheets-Sheet 2 2 \\\\\\\M 4 n bnr n 1 wn n \\m u n n, mw. ,L @f6 d/ G J AG W W L o nro, l Y B 9 d G J L l "H 11 n fd 1 lr l 4 l J f 2 J 5p l u 1 i M M I/ Ils o IMI |l|h| f M ,I if y a ,v I J, L Zad, III l o 11| J lhll L lh w I H1 2 l I 1 w im i .am m n 0 6 Q 0)./ o F@ i E 1 lu ,I|| Im@ n f N I H F i! ff .fr r nl E/ l n |\1 0J J m J ATTORNEY Patented Dec. 3l, 1935 UNITED STATES COKE OVEN IRONWORK Louis Wilputte, New Rochelle, N. Y. Application June 23, 1934, Serial No. 732,023

11 Claims.

The present invention relates to the ironwork employed at the margins of the doorways and engaging the ends of the heating walls of a coke oven battery or structure of the well known type having horizontally elongated open-ended coking chambers arranged side by side and separated by ued heating walls. More particularly the present invention is concerned with coke oven ironwork comprising a one piece metallic door frame member extending into the coke oven masonry at the margin of each coking chamber end and having its sides received in recesses formed in the adjacent heating walls, and also comprising a flash plate covering all or the major portion of the end surface -of each heating wall between the door frame recesses thereof, one or more buck stays at each end of each heating wall and engaging the latter through the corresponding ilash plate', and means for detachably connecting the door frames to the adjacent buck stays.

The general object of the present invention is to effect improvements in coke oven ironwork of the character specied. More specic objects of the present invention are to provide improvements contributing to the attainment of one or more of the following results, or advantages, namely: Easy removability of the door frame members and resultant accessibility of the ends of the masonry heating walls for repairs which may be made while the Walls are h ot and Without requiring the removal of the buck stays and ilash plates; the avoidance of objectionable gas leakage through the joints in the ironwork adjacent each end of 'a heating wall and between the ironwork and the masonry end of the heating wall; the provision of simple and eective mechanical connections between the buck stays and door frames normally holding the latter in place, but adjustable or removable as required for the removal of a door frame.

The invention is particularly characterized by the provisions of a rigid door frame member with lateral ilange members which are in overlapping engagement with the corresponding flash plates and are of such form and are so adjustably oonnected to said rigid door frame members that they may be readily maintained in snug engagement with the adjacent :dash plates, notwithstanding the relative movements, both vertically and horizontally, of the door frames and flash plates resulting from the unequal thermal expansion of diierent parts and other conditions to which coke ovens are subjected` in operation.

The various features of novelty which characterize my invention are pointed out with particu- PATENT GFFICE larity in the claims annexed to and forming a part of this specication. For a better understanding of the invention, however, and the advantages possessed by it, reference should be had to the accompanying drawings and descriptive matter in which I have illustrated and described a preferred embodiment of the invention.

Of the drawings:

Fig. 1 is a horizontal section of a portion oi a coke oven battery, taken on the line I--I of Fig. 1:

Fig. 2 is a side elevation of a portion of the coke oven battery; and

Fig. 3 is a vertical section taken on the line 3--3 of Fig. 2.

The coke oven shown in the drawings is of the 15 type comprising side by side horizontal coking chambers A separated by masonry heating walls B formed with vertical heating ues B arranged in a row extending from one end of the wall to the other, thev otherwise open ends of the coking 20 chambers being normally closed by removable plug doors C.

Each door C in its closed position is surrounded by and is seated against a one piece door frame member D. In the preferred construction illus- 25 trated, each door frame member D is a rigid one piece metallic casting of substantial horizontal depth measured in the direction of the heating walls B, which are recessed at their vertical corners, as indicated at B2 to receive inner portions 30 of the door frame members D, which extend into the coke oven masonry. As shown each door frame member D has an inturned iiange portion D' at its' sides and top, said ange being engaged by a metallic iiange portion C' of the correspond- 35 ing door C in the closed position of the latter. At the sides of each doorway, the edge D2 of the ange D' is substantially flush with the adjacent side walls of the corresponding oven chamber. The horizontal top portion of the flange D is 40 preferably at a level above the top of the oven chamber, the masonry above the coking chambers being formed with recesses B3 to receive the upper portions of the door frame members D. The latter extend downward below the floor levels 45 of the oven chambers and each door frame member D provides support for a metallic member D3 forming a part of the oor of the corresponding oven chamber.

` In accordance with the present invention, each 50 door frame member D comprises an outer portion extending outwardly beyond the ends ofthe oven heating walls far enough to provide suitable bearing sin'faoes against which door frame ange members d are detachably secured. As shown each flange member d is formed of metal of angle bar cross section and has one angle bar flange alongside of and clamped against the outer side of the adjacent outer portion of the door frame member D, and has its second angle barange extending away from the member D and overlapping an edge portion of a metallic flash plate E which engages the end of the adjacent heating wall B and preferably extends between the outer edges of the two corner recesses B2 thereof. As shown a packing F, which may be formed of asbestos fiber material and be similar in cross section to each ange member d, has one flange portion interposed between the latter and the adjacent door frame member D, and has its other flange portion interposed between the flange member d and the flash plate E which it overlaps. In the preferred construction illustrated each ange member d is adjustably clamped against the side of the corresponding door frame member D by bolts G suitably spaced in a vertical row and each extending through a bolt hole D4 formed in the member D and through registering holes suitably enlarged to permit adjustment of the flange member d relative to the member D as required to insure a gas tight joint between the flange member d and the flash plate E which it overlaps, notwithstanding the relative bodily movements of the members D and E which are inevitable results of the stresses, mainly thermal, to which the oven structure is subjected in operation. As those skilled in the art understand, those stresses produce relative movements of the members D and E in the direction of the lengths of the heating walls, which are different at different elevations, and each ange member d should be suiliciently exible to permit it to be readily-deformed when and as required to conform to and maintain engagement with the corresponding ash plate E. Adequate flexibility for the purpose is obtained by forming each flange member d of several sections, with abutting ends d', of an ordinary rolled steel angle bar having a metal thickness of live-sixteenths of an inch or so. This permits the ,separate end to end sections of each flange member d to be separatelyadjusted into general parallelism with adjacent portions of the flash plates so that but little actual bending of the individual sections is ordinarily needed to insure the desired flange and flash plate conformity at all points along their length.

In the preferred construction illustrated, the bolt holes D4 in the members D are inclined so that the bolts G diverge at a slight angle away from the flash plates E which they overlap, and a correspondingly tapered washer g surrounding such bolt G, is interposed between the nut on the outer end of the bolt and the corresponding ange member d, so that movement of the latter relative to the member D to which it is secured will not be produced by the inwardly acting force holding the latter in place. As shown, the heads of the bolts G are received in recesses D5 which in effect are enlargements of the inner ends of the bolt holes D4.

The inwardly acting forces to which the door frame members D are subjected must be sufllcient to suitably compress the packing members F and, in the preferred construction illustrated, to suitably compress the asbestos rope or other packing material H interposed between suitably shaped portions of the members D and of the heating wall recesses B2. Moreover the means formed in the adjacent flange member d and, packing member F. The last mentioned holes are through which such forces are impressed on the members D, should bestrong enough to prevent displacement of the latter under the shocks and stresses to which they are subject as a result of the operation of the door and charge handling ma- 5 chinery. Advantageously each door frame member D is anchored in place, and the associated packings F and H suitably compressed by readily removable connections between the members D Vand the buck stays I vertically disposed at the corresponding ends of the adjacent heating walls. The buck stays I hold in place the flash plate members E, each of which may be welded or otherwise secured to a corresponding buck stay.

In the preferred form shown, the said connecl5 tions comprise a series of clamping bars J located at suitably different levels at each side of each member D and acting between the latter and the adjacent buck .stay I. As shown each buck stay is in the form of an I beam and is connected to each member J associated therewith through a member K, welded to the adjacent base and web portions of the I beam. Each part K is slotted at K' to receive, and to hold the head of a bolt L extending horizontally away from the heating wall at some distance from the web of the buck stay, and between said web and the adjacent member D. Each bolt L passes through an aperture formed in the corresponding member J intermediate the inturned ends of the latter. One end of each member J has a fulcrum engagement with the corresponding member K adjacent the web of the I beam, while the other end of the member J engages the outer edge of the member D. In consequence, when the nut L- on the corresponding bolt L is tightened, each member J acts as an arm or lever tending to force the member D engaged by it into the oven structure as far as its flanges d will permit.

Each door frame body member D may be shaped to receive a door of any usual or suitable type, and in particular to receive a so called self sealing door or a door having the joints between it and the member D luted to prevent gas leakage. The doors C are of the last mentioned type, and are generally similar in form to those shown in my Patent 1,234,202, granted November 4, 1919, each door C comprising a cast metal rim member C2, a metal plate C3 extending across the opening in, and being bolted to the member C2, and a refractory body C4 secured in the rim member C2 at the inner side of the plate C3. The previously mentioned door flange C' which overlaps and engages the inturned flange portion D' of the member D, is an integral portion of the rim member C2. The edge of the flange C' and the adjacent portion of the door frame member D are oppositely inclined to provide a trough shaped channel or groove CD for the reception of re clay` or other luting material. 60

As shown, upper and lower brackets M bolted `to each door member C2 have latch bars O pivotally connected thereto to turn into and out of engagement with latch hook members O' welded or otherwise suitably secured to the corresponding door frame members M, so that each door C may be quickly locked to, and unlocked from the corresponding door frame member D.

As those skilled in the art will readily understand, the described construction permits the ready removal of each door frame member D for adjustment or repair purposes. To remove a door frame member D, all that is required is to release the clamping nuts L' and remove the bars J or adjust the latter into vertical positions so that they do not interfere with the removal of the member D. The latter may then be removed, as by operating the usual door handling machinery to engage and manipulate the door while locked in its door frame, as the door when not locked to the door frame member is manipulated in the normaldoor opening operation.

The removal of each door frame member D, permits the ready removal of the corresponding packing materal F and H, and such adjustment and reshaping of the flexible ilange members d, as may be required to insure their proper engagement with the flash plates E. Furthermore since each flash plate is of a width less than the full thickness of the adjacent heating wall end and has no portion extending into the masonry portion of the coke oven, the removal of each member D exposes enough of the adjacent heating wall ends, to permit the latter to be repaired Without cooling the oven down and without the removal of the corresponding flash plate, even when the required repairs involve the chipping out of one or more of the heating wall bricks b, b1, 17I and b3, and the insertion of substitute bricks. This is practically important-because the heating wall ends are especially apt to need repairs from time to time. With the described construction, the members D may be made as massive as is necessary to give them ample strength and rigidity. J

While in accordance with the provisions of the statutes, I have illustrated and described a preferred form of embodiment of the invention, those skilled in the art will understand that changes in the form of the apparatus disclosed may be made Without dpearting from the spirit of the invention as set forth in the appended claims, and that some features of the invention may sometimes be used with advantage without a corresponding use of other features.

Having now described my invention, what I claim as new and desire to secure by Letters Patent is:

1. 1n a coke oven structure of the type comprising horizontally elongated coking chambers and masonry heating walls arranged alternately in a row and removable doors normally closing the ends of said chambers, the combination with a metallic ilash plate at each side of one end of a coking chamber in front of, and engaging the adjacent heating wall end, a buckstay in front of and engaging each flash plate, a rigid metallic member at, and forming a frame for the door at, said coking chamber end and extending past the adjacent side edges of said ash plates into the oven structure, and metalli'c flange memv bers secured to and extending longitudinally of the opposite sides of said rigid door frame member and each overlapping the adjacent ash plate member and each being adjustable relative to said rigid door frame member to permit different longitudinal portions thereof to be relatively displaced in the direction of the lengths of the heating walls.

2. A combination as specined in claim 1 in which the said ilange members are each of angle bar cross section including a flange substantially parallel to and forming the portion of the nange member overlapping the adjacent flash plate and a second flange alongside of and adjustably secured to said rigid door frame member.

3. A combination as specified in claim 1 in which clamping bolts extending through each flange member and the said rigid door frame member adjustably secure said members together. said bolts being inclined tothe flash plate overlapped by said ilange member.

4. A combination as specified in claim 1 in which the said flange members are each of angle bar cross section including a flange substantially parallel to and forming the portion of the flange member overlapping the adjacent ash plate and a second flange alongside of the said rigid door l frame member, and in which clamping bolts ex- 10 tending through and adjustably securing together the last mentioned flange and rigidy door frame member are inclined to the :flash plate overlapped by said flange member and subject the latter to a wedging action opposing movement of said 15 rigid door frame member toward the coke oven structure relative to said flange member.

5. A combination as specified in claim 1 in which said flange members are of angle bar cross section each comprising one ange substantially 20 parallel to and adjacent the ilash plate overlapped by said ilange member and a second flange alongside and detachably clamped against the outer portion of the 4said rigid door frame member, and a packing material member extending 25 longitudinally of each flange member and of angle bar cross section including one flange interposed between the adjacent ash plate and the flange of said flange member adjacent thereto and a second flange interposed between said second 30 ilange of said flange member and the rigid door frame member to which it is clamped.

6. A combination as speciiled in claim 1 and removable connections between the said rigid door frame member and the adjacent buckstays 35 by which the flange members adjustably secured to said rigid door frame member are pressed against the corresponding ash plates and said rigid door frame member is held in place relative to the coke oven structure. 40

7. A combination as specied in claim 1 and y means for clamping 'the flange members adjustably secured to the said rigid door frame member against the corresponding ash plates.

8. In a coke oven structure of the type compris- 45 ing horizontally elongated coking chambers and masonry heating walls arranged alternately in a row and removable doors normally closing the ends of said chambers, the combination with a metallic flash plate in front of and engaging 50 each of the two heating wall ends at opposite sides of one end oia coking chamber, abuckstay in front of each ash plate and. having a web portion extending away from said ilash plate and a base portion alongside and engaging said ilash plate, a metallic member at and forming a frame for the door at the said oven chamber end and each having a portion extending past the adjacent side edges of said flash plates into the oven structure and having a portion extending outwardly from said ash plates, and having flange portions at and extending longitudinally of its opposite sides and each overlapping the adjacent flash plate member and means for connecting said metallic member to an adjacent buckstay comprising a part attached to the base portion of the latter, a bolt connected to said part and a clamping member connected to said part by said bolt and engaging said metallic member at one side of said bolt and engaging said buckstay part at the opposite side of said bolt.

9. A combination as specied in claim 1 in which said ange members are each formed of a plurality of end to end sections.

10. A combination as specified in claim 1 in 75 which each flange member is bendable to permit relative displacement of different longitudinal portions thereof in the direction of the lengths of the heating walls.

11. A combination as specii'led in claim 1, and connections between the said rigid door frame member and each adjacent buckstay comprising a plurality of clamping members disposed at different levels, and each having two bearing portions horizontally displaced from. one another, one of which engages said buckstay and the other of which engages said door frame member and tension means connected to and acting between said buckstay and each clamping member intermediate the said bearing portions of the latter, and pressing said bearing portions against said buckstay and door frame member.

- LOUIS WILPUTI'E. 

